先进入Deepin，终端执行：

然后重启，看看能不能启动Windows。

不行的，还是那个蓝色背景图片

把Deepin下面这个文件
/boot/grub/grub.cfg
的内容贴上来看看。

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}
function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
else
  search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=1366x768
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=zh_CN
  insmod gettext
fi
terminal_output gfxterm
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
else
  search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
fi
insmod gfxmenu
loadfont ($root)/boot/grub/themes/deepin/unifont-regular-16.pf2
insmod png
set theme=($root)/boot/grub/themes/deepin/theme.txt
export theme
if [ "${recordfail}" = 1 ] ; then
  set timeout=30
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=5
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=5
  fi
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/01_live ###
if [ ! -z ${boot_once} ];then
  set timeout_style=countdown
  set load_config=load-config
else
  set load_config=
fi
### END /etc/grub.d/01_live ###

### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_gpt
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
else
  search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
fi
insmod png
if background_image /boot/grub/themes/deepin/background.png; then
  true
else
  set menu_color_normal=cyan/blue
  set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
        set gfxpayload="${1}"
}
set linux_gfx_mode=
export linux_gfx_mode
menuentry 'Deepin 15.5 GNU/Linux' --class deepin --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-9e17e8e7-e2aa-447b-9e00-9dda221794d5' {
        load_video
        insmod gzio
        if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
        insmod part_gpt
        insmod ext2
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
        else
          search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
        fi
        linux        /boot/vmlinuz-4.9.0-deepin13-amd64 root=UUID=9e17e8e7-e2aa-447b-9e00-9dda221794d5 ro  splash quiet
        initrd        /boot/initrd.img-4.9.0-deepin13-amd64
}
submenu 'Advanced options for Deepin 15.5 GNU/Linux' $menuentry_id_option 'gnulinux-advanced-9e17e8e7-e2aa-447b-9e00-9dda221794d5' {
        menuentry 'Deepin 15.5 GNU/Linux，Linux 4.9.0-deepin13-amd64' --class deepin --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.9.0-deepin13-amd64-advanced-9e17e8e7-e2aa-447b-9e00-9dda221794d5' {
                load_video
                insmod gzio
                if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
                insmod part_gpt
                insmod ext2
                if [ x$feature_platform_search_hint = xy ]; then
                  search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
                else
                  search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
                fi
                linux        /boot/vmlinuz-4.9.0-deepin13-amd64 root=UUID=9e17e8e7-e2aa-447b-9e00-9dda221794d5 ro  splash quiet
                initrd        /boot/initrd.img-4.9.0-deepin13-amd64
        }
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/15_linux_bar ###
menuentry 'Deepin Recovery' --class deepin --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-9e17e8e7-e2aa-447b-9e00-9dda221794d5' {
        insmod gzio
        insmod part_gpt
        insmod ext2
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root  9e17e8e7-e2aa-447b-9e00-9dda221794d5
        else
          search --no-floppy --fs-uuid --set=root 9e17e8e7-e2aa-447b-9e00-9dda221794d5
        fi
        linux        /boot/deepin/vmlinuz-4.13.4 ro boot=live $load_config components quiet splash toram=filesystem.squashfs locales=zh_CN.UTF-8 live-media-path=recovery
        initrd        /boot/deepin/initrd.img-4.13.4
}

### END /etc/grub.d/15_linux_bar ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (on /dev/nvme0n1p1)' --class windows --class os $menuentry_id_option 'osprober-efi-5F66-17ED' {
        insmod part_gpt
        insmod fat
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root  5F66-17ED
        else
          search --no-floppy --fs-uuid --set=root 5F66-17ED
        fi
        chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
menuentry 'rEFInd' {
set root='hd0,gpt2'
chainloader /EFI/refind/bootx64.efi
boot
}
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###

我想换成refind的引导试试，所以就改了一下位置